<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>测试页面</title>
</head>
<body>
<p align="center" style="margin:0">111111</p>
<hr/>

<img id="pic" style="width:200px;height:auto;background-color:darkslategray" src="https://wechatapi.fmactive.com/pic/files/download?id=2018070900200042222200&type=origin"/>
<p>1111213131313131</p>
</body>

<script src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript">
    $("#pic").load(function(){
        alert("1111");
    })
</script>
</html>